3903284 has 96 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 1330560.

The previous prime is 3903281. The next prime is 3903293. The reversal of 3903284 is 4823093.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3903281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134582 + ... + 134610.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

Almost surely, 2^3903284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3903284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

3903284 is an abundant number, since it is smaller than the sum of its proper divisors (5773516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3903284 is a wasteful number, since it uses less digits than its factorization.

3903284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3903284 is about 1975.6730498744. The cubic root of 3903284 is about 157.4502606017.

The spelling of 3903284 in words is "three million, nine hundred three thousand, two hundred eighty-four".